Home / 1,934,817.60-2,902,226.40-978,223.80

Finding the Fourth Proportional to 1,934,817.60, 2,902,226.40 and 978,223.80

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Solution

The fourth proportional to 1,934,817.60, 2,902,226.40 and 978,223.80 is: 1,467,335.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934,817.60 : 2,902,226.40 = 978,223.80 : x
  2. Step 2: Convert to fraction form
    1,934,817.60/2,902,226.40 = 978,223.80/x
  3. Step 3: Cross multiply
    1,934,817.60x = 2,902,226.40 × 978,223.80
  4. Step 4: Simplify right side
    1,934,817.60x = 2,839,026,937,468.32
  5. Step 5: Solve for x
    x = 2,839,026,937,468.32/1,934,817.60
  6. Step 6: Final answer
    x = 1,467,335.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.